Tired of carrying your laptop charger and spare batteries around? Soon you won’t have to. Thanks to work being funded by the U.S. Air Force Research Laboratory, laptop batteries could have a continuous power battery that lasts for 30 years without a single recharge.

Scientists have developed the breakthrough beta-voltaic power cells that are constructed from semiconductors and use radioisotopes as the energy source. As the radioactive material decays, it emits beta particles that transform into electric power that is capable of fueling an electrical device like a laptop for years.

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